{
 "code_insee": "01457",
 "nom": "Vonnas",
 "departement": "01",
 "annee_reference": 2025,
 "prix_m2_median": 2218,
 "prix_m2_median_appartement": 1837,
 "prix_m2_median_appartement_yoy_pct": -5.1,
 "prix_m2_median_maison": 2307,
 "prix_m2_median_maison_yoy_pct": 8.8,
 "prix_vente_median": 241500,
 "ventes_annee_reference": 38,
 "ventes_5_ans": 192,
 "fiabilite": "Modérée",
 "derniers_12_mois": {
  "debut": "2025-07-01",
  "fin": "2026-06-30",
  "ventes": 33,
  "prix_m2_median": 2027,
  "prix_m2_median_appartement": null,
  "prix_m2_median_appartement_yoy_pct": null,
  "prix_m2_median_maison": 2012,
  "prix_m2_median_maison_yoy_pct": -12.1
 },
 "series_annuelles": [
  {
   "annee": 2021,
   "apt": 2261,
   "apt_n": 7,
   "maison": 2159,
   "maison_n": 21
  },
  {
   "annee": 2022,
   "apt": 1909,
   "apt_n": 9,
   "maison": 2313,
   "maison_n": 26
  },
  {
   "annee": 2023,
   "apt": 1782,
   "apt_n": 15,
   "maison": 2477,
   "maison_n": 26
  },
  {
   "annee": 2024,
   "apt": 1935,
   "apt_n": 10,
   "maison": 2120,
   "maison_n": 28
  },
  {
   "annee": 2025,
   "apt": 1837,
   "apt_n": 8,
   "maison": 2307,
   "maison_n": 30
  }
 ],
 "tranches_surface": {
  "Appartement": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 2381,
    "n": 9
   },
   {
    "band": "60-90 m²",
    "median": 1729,
    "n": 7
   },
   {
    "band": "90-120 m²",
    "median": 1319,
    "n": 1
   },
   {
    "band": "120 m² et +",
    "median": 338,
    "n": 1
   }
  ],
  "Maison": [
   {
    "band": "< 30 m²",
    "median": null,
    "n": 0
   },
   {
    "band": "30-60 m²",
    "median": 3917,
    "n": 1
   },
   {
    "band": "60-90 m²",
    "median": 1765,
    "n": 7
   },
   {
    "band": "90-120 m²",
    "median": 2505,
    "n": 27
   },
   {
    "band": "120 m² et +",
    "median": 1890,
    "n": 23
   }
  ]
 },
 "est_hub_arrondissements": false,
 "arrondissements": null,
 "source": {
  "dataset": "Demandes de valeurs foncières (DVF), DGFiP",
  "url": "https://www.data.gouv.fr/fr/datasets/demandes-de-valeurs-foncieres/",
  "licence": "Licence Ouverte 2.0",
  "methodologie": "https://foncierdata.fr/methodologie"
 },
 "page": "https://foncierdata.fr/prix-immobilier/01457-vonnas"
}